<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8">
    <title>功能演示一 - 上传组件</title>
    <meta name="renderer" content="webkit">
    <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
    <meta name="viewport"
          content="width=device-width, initial-scale=1.0, minimum-scale=1.0, maximum-scale=1.0, user-scalable=0">
    <link rel="stylesheet" href="../../../layuiadmin/layui/css/layui.css" media="all">
    <link rel="stylesheet" href="../../../layuiadmin/style/admin.css" media="all">
</head>
<body>

<style>
    .layui-upload-img {
        width: 92px;
        height: 92px;
        margin: 0 10px 10px 0;
    }
</style>

<div class="layui-card layadmin-header">
    <div class="layui-breadcrumb" lay-filter="breadcrumb">
        <a lay-href="">主页</a>
        <a><cite>组件</cite></a>
        <a><cite>上传组件</cite></a>
        <a><cite>功能演示一</cite></a>
    </div>
</div>

<div class="layui-fluid">
    <div class="layui-row layui-col-space15">
        <div class="layui-col-md12">
            <div class="layui-card">
                <div class="layui-card-header">普通图片上传</div>
                <div class="layui-card-body">
                    <div class="layui-upload">
                        <button type="button" class="layui-btn" id="test-upload-normal">上传图片</button>
                        <div class="layui-upload-list">
                            <img class="layui-upload-img" id="test-upload-normal-img">
                            <p id="test-upload-demoText"></p>
                        </div>
                    </div>
                    <blockquote class="layui-elem-quote">
                        为节省服务器开销，以下示例均未配置真实上传接口，所以每次上传都会报提示：请求上传接口出现异常，这属于正常现象。
                    </blockquote>
                </div>
            </div>
        </div>

        <div class="layui-col-md12">
            <div class="layui-card">
                <div class="layui-card-header">上传多张图片</div>
                <div class="layui-card-body">
                    <div class="layui-upload">
                        <button type="button" class="layui-btn" id="test-upload-more">多图片上传</button>
                        <blockquote class="layui-elem-quote layui-quote-nm" style="margin-top: 10px;">
                            预览图：
                            <div class="layui-upload-list" id="test-upload-more-list"></div>
                        </blockquote>
                    </div>
                </div>
            </div>
        </div>

        <div class="layui-col-md12">
            <div class="layui-card">
                <div class="layui-card-header">指定允许上传的文件类型</div>
                <div class="layui-card-body">
                    <button type="button" class="layui-btn" id="test-upload-type1"><i class="layui-icon"></i>上传文件
                    </button>
                    <button type="button" class="layui-btn layui-btn-primary" id="test-upload-type2"><i
                            class="layui-icon"></i>只允许压缩文件
                    </button>
                    <button type="button" class="layui-btn" id="test-upload-type3"><i class="layui-icon"></i>上传视频
                    </button>
                    <button type="button" class="layui-btn" id="test-upload-type4"><i class="layui-icon"></i>上传音频
                    </button>
                </div>
            </div>
        </div>

        <div class="layui-col-md12">
            <div class="layui-card">
                <div class="layui-card-header">设定文件大小限制</div>
                <div class="layui-card-body">
                    <button type="button" class="layui-btn layui-btn-danger" id="test-upload-size">
                        <i class="layui-icon"></i>上传图片
                    </button>
                    <div class="layui-inline layui-word-aux">
                        这里以限制 60KB 为例
                    </div>
                </div>
            </div>
        </div>

        <div class="layui-col-md12">
            <div class="layui-card">
                <div class="layui-card-header">同时绑定多个元素，并将属性设定在元素上</div>
                <div class="layui-card-body">
                    <button class="layui-btn test-upload-demoMore" lay-data="{url: '/a/'}">上传A</button>
                    <button class="layui-btn test-upload-demoMore" lay-data="{url: '/b/', size:5}">上传B</button>
                    <button class="layui-btn test-upload-demoMore" lay-data="{url: '/c/', accept: 'file',size:10}">上传C
                    </button>
                </div>
            </div>
        </div>

    </div>
</div>

<script src="../../../layuiadmin/layui/layui.js"></script>
<script>
    layui.config({
        base: '../../../layuiadmin/' //静态资源所在路径
    }).extend({
        index: 'lib/index' //主入口模块
    }).use(['index', 'upload'], function () {
        var $ = layui.jquery
            , upload = layui.upload;

        //普通图片上传
        var uploadInst = upload.render({
            elem: '#test-upload-normal'
            , url: '/upload/'
            , before: function (obj) {
                //预读本地文件示例，不支持ie8
                obj.preview(function (index, file, result) {
                    $('#test-upload-normal-img').attr('src', result); //图片链接（base64）
                });
            }
            , done: function (res) {
                //如果上传失败
                if (res.code > 0) {
                    return layer.msg('上传失败');
                }
                //上传成功
            }
            , error: function () {
                //演示失败状态，并实现重传
                var demoText = $('#test-upload-demoText');
                demoText.html('<span style="color: #FF5722;">上传失败</span> <a class="layui-btn layui-btn-mini demo-reload">重试</a>');
                demoText.find('.demo-reload').on('click', function () {
                    uploadInst.upload();
                });
            }
        });

        //多图片上传
        upload.render({
            elem: '#test-upload-more'
            , url: '/upload/'
            , multiple: true
            , before: function (obj) {
                //预读本地文件示例，不支持ie8
                obj.preview(function (index, file, result) {
                    $('#test-upload-more-list').append('<img src="' + result + '" alt="' + file.name + '" class="layui-upload-img">')
                });
            }
            , done: function (res) {
                //上传完毕
            }
        });

        //指定允许上传的文件类型
        upload.render({
            elem: '#test-upload-type1'
            , url: '/upload/'
            , accept: 'file' //普通文件
            , done: function (res) {
                console.log(res)
            }
        });
        upload.render({ //允许上传的文件后缀
            elem: '#test-upload-type2'
            , url: '/upload/'
            , accept: 'file' //普通文件
            , exts: 'zip|rar|7z' //只允许上传压缩文件
            , done: function (res) {
                console.log(res)
            }
        });
        upload.render({
            elem: '#test-upload-type3'
            , url: '/upload/'
            , accept: 'video' //视频
            , done: function (res) {
                console.log(res)
            }
        });
        upload.render({
            elem: '#test-upload-type4'
            , url: '/upload/'
            , accept: 'audio' //音频
            , done: function (res) {
                console.log(res)
            }
        });

        //设定文件大小限制
        upload.render({
            elem: '#test-upload-size'
            , url: '/upload/'
            , size: 60 //限制文件大小，单位 KB
            , done: function (res) {
                console.log(res)
            }
        });

        //同时绑定多个元素，并将属性设定在元素上
        upload.render({
            elem: '.test-upload-demoMore'
            , before: function () {
                layer.tips('接口地址：' + this.url, this.item, {tips: 1});
            }
            , done: function (res, index, upload) {
                var item = this.item;
                console.log(item); //获取当前触发上传的元素，layui 2.1.0 新增
            }
        })

    });
</script>
</body>
</html>